* {
	box-sizing: border-box;
}

page {
	/* 定义根节点的最小高度为整个窗口的高度 */
	min-height: 100vh;  
	background-color: #fdfdfd;
	font-size: 28rpx;
	color: #333;
}
.category-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  grid-gap: 10rpx;
}